Simulacrum frozen forever bug

Hey I was running on level 2 of Simulacrum (100Sprinters) and on the last wave(15)on the time that the final boss should spawn he just bug and make all my enemy that has left frozen and the final boss turning back into NPC and asking me to interact to start Wave 16 that is not even exist and I was stuck there for 10 min I even kill myself once to see does it will reset or not but still frozen and bug and ever more sad is I can't choose another map cause this map is not complete yet!!! please help me with this ASAP please otherwise that is mean I can't play any endgame content anymore on this character.

this is the imagine of the frozen Trial or whatever it called https://imgur.com/a/uAd8Cy8 https://imgur.com/a/jQBIfDS